Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
204 MW BESS operating in Harris, TX — Electric Reliability Council of Texas, Inc.
204 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
29.8740, -95.0182
County
Harris, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Citadel BESS LLC | — | — |
| Owner(s) | Citadel BESS LLC | — | — |
| Status | Operating | — | — |
The Citadel Battery Storage Plant is a 204 MW battery energy storage system (BESS) located in Harris County, Texas. The plant, owned and operated by Citadel BESS LLC, began operating in 2024. It utilizes batteries as its primary fuel source, specifically lithium-ion (LIB) chemistry. The BESS has a total storage capacity of 298 MWh, providing a duration of approximately 1.46 hours at full output.
The Citadel Battery Storage Plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is part of the Texas Reliability Entity (TRE) NERC region. It ranks as the 92nd largest power plant in Texas out of 224, and 256th nationally out of 514.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−2.4K MWh
Net Charging
-27.8K MWh
Annual Net Energy
-1.6%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $277.6M
Market Position
ISO/RTO Market
ERCOT
LMP Node
HOUSTON
Pricing Hub
HB_HOUSTON
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all 7 articlesElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP